Weil McLain 383-500-275 Valve Els PW 17895 Dual Functionality: Combines a control

Dual Functionality: Combines a control relay and an adjustable solid-core AC sensor in a single

Repeated tripping typically indicates a restriction in airflow

Key Benefits: Engineered Compatibility: Direct OEM replacement for part 70-26166-01

How does this spring affect the pneumatic positioner's performance

OEM Precision: Direct replacement for part number S1-025-26387-017

Weil McLain 383-500-275 Valve Els PW 17895 Dual Functionality: Combines a controlFor service technicians maintaining high efficiency hydronic systems, the Weil McLain 383 500 275 Pressure Temperature Gauge Check Valve is the standard specification for the Ultra Gas Boiler series, including Ultra 80, 105, and 230 models. Built as a 1 2 inch NPT threaded component, this P T gauge check valve serves a dual purpose: it provides a secure connection point for system monitoring while acting as a reliable backflow preventer. Its